Components of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Income Tax Disclosure [Abstract]
Current Taxes: Federal		$ 53,076	$ 86,235	$ 75,128
Current Taxes: State		7,403	13,983	10,419
Current Taxes: Total		60,479	100,218	85,547
Deferred Taxes: Federal		(59,385)	(11,656)	16,236
Deferred Taxes: State		(1,921)	(2,801)	2,057
Deferred Income Taxes, Total	$ (900)	(61,306)	(14,457)	18,293
Income tax expense (benefit)		$ (827)	$ 85,761	$ 103,840